Skip to main content
. 2023 Oct 18;23:241. doi: 10.1186/s12874-023-01984-8

Fig. 5.

Fig. 5

Coefficient plot for multivariate Cox proportional hazard model with time fixed and time dependent terms. Reference groups: Age = 60–69 years; Frailty = low or intermediate frailty, Co-morbidity = absence of the condition; Seasonality = summer 2019. Seasonality defined as Winter (months December, January, February), Spring (March, April, May), Summer (June, July, August), Autumn (September, October, November). Source: Office for Health Improvement and Disparities, using data from National Hip Fracture Database (NHFD), Hospital Episode Statistics (HES) and Office for National Statistics (ONS), England. Copyright © 2022, Re-used with the permission of NHS Digital. All rights reserved